Screen Resolution & Display Info Checker
See your screen resolution, scaling, refresh rate, color gamut and HDR support.
Read live from this browser — nothing is sent anywhere.
- Screen resolution (pixels)
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- Estimated from the browser: screen size × scaling.
- Screen size in CSS pixels
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- What websites lay out against, after display scaling.
- Display scaling
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- Your OS or browser zoom. Changes the CSS size, not the panel.
- Aspect ratio
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- From the estimated pixel resolution.
- Refresh rate
- Measuring…
- Measured from animation frames. Check it with the Refresh Rate Test.
- Browser window
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- The visible page area right now.
- Usable screen area
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- Screen minus taskbar, Dock or menu bar.
- Color depth
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- Bits per pixel the browser reports: 24 for 8-bit color, 30 for 10-bit.
- Color gamut
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- The widest color space the browser says the screen covers.
- HDR
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- Whether the browser can show HDR on this screen right now.
- Orientation
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- Primary input
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- Touch points
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- Maximum simultaneous touches the device reports.
Browsers report sizes after display scaling, so the pixel resolution is an estimate. If it doesn't match your screen's native resolution, check your scaling settings — and use the Sharpness & Text Clarity Test to see whether the picture is being scaled.
How to use
- 1Open the page — every value is read live from your browser, with nothing to start.
- 2Check the pixel resolution and display scaling against your screen's specifications.
- 3Give the measured refresh rate a second to settle.
- 4Use Copy all to paste the details into a support ticket or a forum post.
FAQ
Why doesn't it show my screen's exact resolution?
Browsers report sizes after display scaling, so the pixel resolution here is the scaled size multiplied by the scaling factor. With unusual scaling or browser zoom it can be off by a few pixels. Your operating system's display settings show the true native resolution.
Why does it say 24-bit color on a 10-bit monitor?
The browser reports what the operating system hands it: usually 24-bit (8 bits per channel), and 30-bit on some 10-bit setups such as Apple's XDR displays. Many 10-bit monitors still show 24 because the computer is sending 8-bit color, so the color gamut and HDR rows are often more telling.
Is any of this sent anywhere?
No. Everything is read and shown in your browser, and nothing leaves the page unless you copy it yourself.
Tips
- On a laptop with an external monitor, drag this window onto the screen you want to check first.
- Browser zoom changes the scaling value — press Ctrl/Cmd + 0 before reading it.
Related tests
Related guides
Learn more about what this test reveals and how to act on the results.